refactor(skill): 重构技能触发逻辑，提取统一工具类

将分散在Hero、Mon、HeroAtkSystem、SCastSystem、MissionComp中的技能触发代码统一封装，集中处理触发次数加成、实体合法性校验与技能事件派发，同时新增SkillTriggerType枚举统一管理技能触发类型，简化业务调用并消除重复模板代码。

assets/script/game/map/MissionComp.ts

@@ -33,8 +33,9 @@ import { CCComp } from "../../../../extensions/oops-plugin-framework/assets/modu
 import { smc } from "../common/SingletonModuleComp";
 import { oops } from "../../../../extensions/oops-plugin-framework/assets/core/Oops";
 import { HeroAttrsComp } from "../hero/HeroAttrsComp";
-import { GameEvent } from "../common/config/GameEvent";
+import { GameEvent, SkillTriggerType } from "../common/config/GameEvent";
 import { HeroViewComp } from "../hero/HeroViewComp";
+import { SkillTriggerHelper } from "../hero/SkillTriggerHelper";
 import { UIID } from "../common/config/GameUIConfig";
 import { SkillView } from "../skill/SkillView";
 import { FacSet, FightSet } from "../common/config/GameSet";
@@ -588,18 +589,9 @@ export class MissionComp extends CCComp {
             const attrs = entity.get(HeroAttrsComp);
             const view = entity.get(HeroViewComp);
             if (!attrs || !view || attrs.is_dead || attrs.fac !== FacSet.HERO) return;
-            const skillUuids = isStart ? attrs.fstart : attrs.fend;
-            if (skillUuids && skillUuids.length > 0) {
-                for (let i = 0; i < triggerCount; i++) {
-                    skillUuids.forEach(uuid => {
-                        oops.message.dispatchEvent(GameEvent.TriggerSkill, {
-                            s_uuid: uuid,
-                            heroAttrs: attrs,
-                            heroView: view,
-                            triggerType: isStart ? 'fstart' : 'fend'
-                        });
-                    });
-                }
+            // 触发战斗开始/结束技能
+            for (let i = 0; i < triggerCount; i++) {
+                SkillTriggerHelper.trigger(isStart ? SkillTriggerType.FStart : SkillTriggerType.FEnd, attrs, view);
             }
         });
     }